42071960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 115568640

約数和(自身を除く): 73496680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 131, 140, 148, 155, 185, 217, 248, 259, 262, 280, 296, 310, 370, 434, 518, 524, 620, 655, 740, 868, 917, 1036, 1048, 1085, 1147, 1240, 1295, 1310, 1480, 1736, 1834, 2072, 2170, 2294, 2590, 2620, 3668, 4061, 4340, 4585, 4588, 4847, 5180, 5240, 5735, 7336, 8029, 8122, 8680, 9170, 9176, 9694, 10360, 11470, 16058, 16244, 18340, 19388, 20305, 22940, 24235, 28427, 32116, 32488, 33929, 36680, 38776, 40145, 40610, 45880, 48470, 56854, 64232, 67858, 80290, 81220, 96940, 113708, 135716, 142135, 150257, 160580, 162440, 169645, 193880, 227416, 271432, 284270, 300514, 321160, 339290, 568540, 601028, 678580, 751285, 1051799, 1137080, 1202056, 1357160, 1502570, 2103598, 3005140, 4207196, 5258995, 6010280, 8414392, 10517990, 21035980, 42071960]

約数ペア:

[(1, 42071960), (2, 21035980), (4, 10517990), (5, 8414392), (7, 6010280), (8, 5258995), (10, 4207196), (14, 3005140), (20, 2103598), (28, 1502570), (31, 1357160), (35, 1202056), (37, 1137080), (40, 1051799), (56, 751285), (62, 678580), (70, 601028), (74, 568540), (124, 339290), (131, 321160), (140, 300514), (148, 284270), (155, 271432), (185, 227416), (217, 193880), (248, 169645), (259, 162440), (262, 160580), (280, 150257), (296, 142135), (310, 135716), (370, 113708), (434, 96940), (518, 81220), (524, 80290), (620, 67858), (655, 64232), (740, 56854), (868, 48470), (917, 45880), (1036, 40610), (1048, 40145), (1085, 38776), (1147, 36680), (1240, 33929), (1295, 32488), (1310, 32116), (1480, 28427), (1736, 24235), (1834, 22940), (2072, 20305), (2170, 19388), (2294, 18340), (2590, 16244), (2620, 16058), (3668, 11470), (4061, 10360), (4340, 9694), (4585, 9176), (4588, 9170), (4847, 8680), (5180, 8122), (5240, 8029), (5735, 7336)]